162 CYNOMYS CITELLUS. 



U. S. A., and after his death in charge of Lieut. E. G. Beckwith, 

 U. S. A. Original nuni])er 22. Catalogued February 20, IS.");"). 



Skin can not now be found. Most of the skull is present, posterior part of 

 tt^e brain case lacking, last two molars in right half of mandible are missing, 

 one detached bulla is present. 



The type is not designated by number in the original descrijjtion, but in the 

 Mammals of North America it is specified by number. 



Cynomys mexicanus Merriani. Biological Survey collection. 



Proc. Biol. Sec. Wash., VII, pp. 157-lo8, July 27, 1892. 

 if If «• Skin and skull. Adult male. La Ventura, Coahuila, Mexico. 

 March 24, 1891. Collected by C. P. Streator. Original number 

 625. 



Well-made skin in good condition; skull ])erfect, except for absence of right 

 upper premolar. 



Genus CITELI^US. 



Citellus plesius ablusus Osgood. Biolog'ical Survey collection. 



Proc. Biol. Soc. Wash., XVI, pp. 25-26, :\larch 19, 1908. 

 119815. Skin and skull. Adult male. Nu.shagak, Alaska. Septem- 

 ber 16, 1902. Collected by W. H. Osgood and A. G. Maddren. 

 Original number 2048. 



Well-made skin in good condition; skull perfect. 



Citellus adocetus Merriam. Biological Survey collection. 



Proc. Biol. Soc. Wash., XVI, pp. 79-80, May 29, 1903. 

 126129. Skin and skull. Adult female. La Salada, Michoacan, 

 Mexico. March 17, 1903. Collected by E. W. Nelson and E. A. 

 Goldman. Original nimiber 16183. 



Well-made skin in good condition ; skull perfect. 



Spermophilus tridecemlineatus alleni Merriam. Biol. Surv. coll. 



Proc. Biol. Soc. Was)).. XII, p. 71, March 24, 1898. 

 =Citellus tridecemlineatus alleni (Merriam). See Trouessart, Catalogus .Mam- 

 malium, Suppl., p. 841, 1904. 



56050. Skin and skull. Adult male. West slope of Bighorn Moun- 

 tains, Wyoming; altitude 8,000 feet. September 18, 1893. Col- 

 lected by V. Bailey. Original number 4383. 



Well-made skin in good condition ; skull perfect. 



Spermophilus spilosoma annectens Merriam. Biological Survey coll. 

 Proc. Biol. So.-. Was!.., Vill, pp. 182-183, December 28, 1898. 

 = Citellus spilosoma annectens (Merriam). See Trouessart, Catalogus .Mamnialiuiu, 

 Suppl., p. 340, 1904. 



IssU'- Skin and skull. Young adult male. Padre Island, Texas. 

 August 24, 1891. Collected by W. Lloyd. Original number 694. 

 Well-made skin in good condition; skull perfect, except for absence of left 

 poetorbital process. 



